SOURCE: proview rx 326 model 3200 tv sound but no picture
If the sound is working, I doubt the power supply is at fault. You can check with a simple voltmeter - red is positive, black negative - there should be 24VDC. There is an on-board regulator to drop the voltage for the CPU, etc, . THere is a green LED on the main board, so even if you don't have a Voltmeter, there is a visual indication that the power supply is somewhat functional.
I found a poor connection from the 24V power supply over to the inverter boards. I re-crimped the IDC connectors to the 24V supply and all was happy-town.
SOURCE: Proview LCD TV
Mee too.. whats up with that? im gonna call proview technical support to see whats goin on
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